What powers fullstackopen.com?
Last seen Jun 2026 · 12 technologies across 9 categories
Analytics
Caching
Varnish
since Jul 2019
CDN
Fastly
since Jul 2019
Hosting
GoDaddy
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
GitHub Pages
since Jul 2019
Security
HSTS
since Sep 2022
Audience
- 66% desktop
- 34% phone
Egypt
Finland
Nigeria
Morocco
Algeria
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #325,098 of all domains
129 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Finnish
- CDN: Fastly
- Weight: 1.2 MB · 41 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.